These functions return all points (pairs or triples of coordinates) within a given rectangle or box. “pam“ is the reverse map function which was defined [here](http://snipplr.com/view/18351/reverse-map/).
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These functions return all points (pairs or triples of coordinates) within a given rectangle or box. “pam“ is the reverse map function which was defined [here](http://snipplr.com/view/18351/reverse-map/).